Kalendaryo ng Karera WeatherTech Raceway Laguna Seca 2018
| Petsa | Serye ng Karera | Biluhaba | Pangalan ng Kaganapan |
|---|---|---|---|
| 4 Agosto - 5 Agosto | Porsche Owners Club - Cup Racing Series Natapos | Round 7 | |
| 7 Setyembre - 9 Setyembre | IMSA SportsCar Championship Natapos | Round 10 | Continental Tire Monterey Grand Prix powered by Mazda |
| 8 Setyembre - 9 Setyembre | LSTNA - Lamborghini Super Trofeo North America Natapos | Round 5 | |
| 26 Oktubre - 28 Oktubre | Intercontinental GT Challenge Natapos | Round 4 | Californa 8 Hours |